Mitanshu Agrawal profile photo 1 on Tal

Mitanshu Agrawal

Backend Engineer | Go · Node.js | BITS Pilani CS ’23 | Slice · GoKwik

Bengaluru

3+ years of work experience

slice
Mar 20266 mosPresent

GoKwik
Jul 20232 yrs 8 mosFeb 2026

Hybrid

• Worked on Checkout 2.0, enabling non-Shopify and custom merchant integrations; systems supported 400+ orders/min at peak traffic, contributing to 28% GMV growth. • Designed and built Order, Cart, and Address microservices in Golang, integrating them into a distributed checkout architecture optimized for scalability and fault tolerance. • Improved backend throughput by 30% by optimizing MongoDB read paths (secondary-preferred reads) and reducing hot-spot contention. • Prevented ~12% revenue loss during traffic spikes by implementing idempotent retries and safe-retry mechanisms for partial failure scenarios. • Improved checkout conversion by ~10% by enabling Facebook/Instagram in-app checkout flows and “Skip to Payment” optimizations. • Reduced merchant onboarding time by 80% (4 days → 1 day) by building a low-code onboarding platform for integrations and configurations. • Eliminated 90% of manual QA by developing a GenAI-assisted API contract validation system, improving release confidence and deployment speed. • Mentored junior engineers/interns, conducted 50+ code reviews, and enforced backend best practices around APIs, retries, and data contracts.
GoKwik
Jan 20236 mosJun 2023

• Built the GoKwik Checkout SDK using Svelte + TypeScript, enabling login, address pre-fill, discounts, and multiple payment methods. • Implemented reverse geotagging, reducing checkout drop-offs by ~15%. • Supported UPI, COD, and split-payment flows, directly contributing to improved checkout completion rates.
Jun 20212 mosJul 2021

Bengaluru, Karnataka, India

• Developed REST APIs using Node.js, Express.js, and MongoDB for a COVID-19 analytics platform. • Supported real-time case tracking and reporting across thousands of records, focusing on performance and data consistency.

Mitanshu’s AI Stack

claude code
claude code
openai
openai

Education

Birla Institute of Technology and Science, Pilani - Goa Campus

Bachelor of Technology - BTech, Computer Science

Birla Institute of Technology and Science, Pilani - Goa Campus

20194 yrs2023

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Headline

Backend Engineer | Go · Node.js | BITS Pilani CS ’23 | Slice · GoKwik

About

I’m a backend engineer who enjoys building reliable, high-scale systems where failures directly impact revenue. Over the last 2.5+ years, I’ve worked on production checkout and payment flows used by large D2C merchants, handling 400+ orders per minute at peak. My work has contributed to 28% GMV growth, improved checkout conversion, and reduced revenue loss during high-traffic events. I specialize in backend and distributed systems, with hands-on experience in Golang and Node.js, designing microservices, improving system throughput, and hardening systems against partial failures using idempotency, retries, and data contracts. Beyond core backend work, I’ve: Reduced backend throughput bottlenecks by 30% through database and read-path optimizations Cut merchant onboarding time by 80% by building low-code internal platforms Eliminated 90% manual QA using GenAI-assisted API contract validation Mentored junior engineers and driven backend best practices through code reviews I enjoy working at the intersection of engineering and business impact—building systems that are not just scalable, but measurable in terms of revenue, reliability, and developer productivity. Currently exploring backend / platform / distributed systems roles, especially in fintech, SaaS, and infrastructure-heavy products.

Location

Bengaluru

AI stack

claude code

openai

Work experience

Software Engineer at slice, Mar 2026 - Present · 6 mos

Software Developer Engineer - 1 at GoKwik, Jul 2023 - Feb 2026 · 2 yrs 8 mos, Hybrid, • Worked on Checkout 2.0, enabling non-Shopify and custom merchant integrations; systems supported 400+ orders/min at peak traffic, contributing to 28% GMV growth. • Designed and built Order, Cart, and Address microservices in Golang, integrating them into a distributed checkout architecture optimized for scalability and fault tolerance. • Improved backend throughput by 30% by optimizing MongoDB read paths (secondary-preferred reads) and reducing hot-spot contention. • Prevented ~12% revenue loss during traffic spikes by implementing idempotent retries and safe-retry mechanisms for partial failure scenarios. • Improved checkout conversion by ~10% by enabling Facebook/Instagram in-app checkout flows and “Skip to Payment” optimizations. • Reduced merchant onboarding time by 80% (4 days → 1 day) by building a low-code onboarding platform for integrations and configurations. • Eliminated 90% of manual QA by developing a GenAI-assisted API contract validation system, improving release confidence and deployment speed. • Mentored junior engineers/interns, conducted 50+ code reviews, and enforced backend best practices around APIs, retries, and data contracts.

Software Engineer Intern at GoKwik, Jan 2023 - Jun 2023 · 6 mos, • Built the GoKwik Checkout SDK using Svelte + TypeScript, enabling login, address pre-fill, discounts, and multiple payment methods. • Implemented reverse geotagging, reducing checkout drop-offs by ~15%. • Supported UPI, COD, and split-payment flows, directly contributing to improved checkout completion rates.

Back End Developer at PLATiFi, Jun 2021 - Jul 2021 · 2 mos, Bengaluru, Karnataka, India, • Developed REST APIs using Node.js, Express.js, and MongoDB for a COVID-19 analytics platform. • Supported real-time case tracking and reporting across thousands of records, focusing on performance and data consistency.

Education

Bachelor of Technology - BTech, Computer Science, Birla Institute of Technology and Science, Pilani - Goa Campus